Bike of he future

[Wolf04]

Two things spring to mind.

Hubless wheels. I remember reading quite some time ago about the 'monowheel' or 'monocycle' (not to be confused with 'unicycle'), a giant hubless wheel which the rider sits inside. Has anyone tried one?

Saw the delightful Suzy Perry attempting to ride this on the Gadget Show, not that great a gadget The monowheel that is not Ms. Perry